Ferrule pinning machine



F. DE BELLA E'I'AL FERRULE FINN ING MACHINE June 2, 1942.

'Filed sept. 2:5. 1941 2 Sheets-Sheet 1 s, n @im w MLU., R m55 o, ...EEw D@ MA KF my B F. DE BELLA Erm.

FERRULE PINNING MACHINE June 2, 1942.

Filed Sept. 2s, 1941 Y 2 sheets-sheet 2 Patented June 2, 1942 OFFICEFERRULE PINNING MACHINE Frank De Bella, Newark, and Thomas F.' De

Bella, Elizabeth, N. J. l

Application September 23, 1941, Serial No. 411,942

5 Claims.

This 'invention relates to 'a tip-mounting ma# chine and refers moreparticularly to amachine for lailxing tipsor end pieces upon the ends ofumbrellaV shanks and other articles of similar form. Y

The lower ends of umbrella shanksand the like are usually covered bycup-shaped tips which serve for the protecion of these ends or as :asupport. Heretofore, these' tips were glued to the .shank ends bytheoperators. The operations of mountingand gluing the tips require aiconsiderable expenditure of time 'and labor and often do not producesatisfactory results, since the tips are'Y liable to become detached andto drop off the umbrella. u Y

An object of the present invention is the pro'- vision of a machine forsecuring tips to the ends of Shanks and the like. a u

Another object is theprovision of mechanical means for attaching tipspermanently andsecurely to the ends of Shanks andthe like.

A further object is the aprovision of a machine for-attaching tips tothe ends of Shanks andthe like by the use ofV securing meansvpenetrating through the tips and the shank ends.

Other objects of the present invention will `.be-

come apparentfinV the course of the followingV specification. Y

,The objects 'of the present invention -may be realized through theprovision of a machine comprising a f eedrlfor'supplying a Wire orsimilar securing means, 'a cutter for cutting o'f or shearing oft apieceof Vwire lof, a required length, and a carrier supplying the lcut-offWire piece to a driving element Whichcauses the cut-ofi? piece topenetrate through a 'tip and into 'ashank end and to lbeembedded'i'n'the shank end as permanent securing meansViirmlylconnectin'g the tip with the shank end. According to a preferredembodiment of the inventive idea, al1 the operations ofthe machine arecausedby a press Wherein'a moi/able head is nmoved toward andV awayfromjan immovable base or Vanviha single slider memberY being used vforoperating said cutter and said carrier. 0 Y driver reciprocatevertically, during the operation'o'f the machine while the carrierreciprocates in a'horizontal planell The inventionfwill appear moreclearly from the following'detailevd description when taken inconnection with the accompanying drawings showing, by way of example, apreferred embodiment of the inventive idea,

In the drawings:

Figure 1Y shows in front elevation a tip-aixing The feeder, the sliderand the machine constructed Vin accordance with the principles of thepresent invention in its inoperative position, some parts being shown insection.

Figure 2 shows the machine in side elevation, some parts -beingshowninsection. f

Figure 3 shows the machine partly in section and partly in frontelevation in its operative wireinserting position.

Figure 4 is a horizontal transverse section along the line 4 4 of Figure1.

Figure 5is a verticaly sectionralong the line `5 5 of Figure 3, on anenlarged scale. Figure 6 Ais a horizontal section -along theline 6 6 ofFigure 1. Figure 'l is a section along 'the line 'I-'I of Figure 6. y

The Vmachine shown in thel drawings is used for securingcup-shaped tipsAI0 (Fig.V 5) upon shankends II of umbrellas I2. 'i

. The illustratedy securing'means 'consist of a wire :I6 (Fig. 3)'whichis icut or shearedinto securing elements or wire pieces I'I. Each piecerI'I is inserted through a wall ofthe tip I0 and into the shank .end Il'ofan umbrella, thus firmly holding the tip IIJupon the shank end II.

The4 machine may be conveniently operated by any suitabletype ofV presswhich is not shown in detail inthe drawings and kwhich includes a pressbase I3,` a stationary frame4 I4 and a movable head lI5 which isguided-vertically by the frame I4 in the directions toward and away fromthe base I3.

The machine comprises a base'plate I8 which isfr'mly secured to the(press base I3 by bolts I9. An immovable frame 20 is mounted upon theplate I8 and is held thereon by screws 2I (Fig. 1).

The movable parts ofthe machine include a support 22Y carrying acylindrical member 23 which is firmly connected with the movable head I5of the press by -a screw 24. A bolt 25 lconnects the support'22 to theupper end of a slider 26 having theV form of a plate provided with alower narrow end 27 and fan inclined cam surface 28.

The slider 26 is adapted to slide up and down along the vertical frontsurface ofthe frame 20 and is guided by a guide plate 29 which has aninner space 30 for the slider (Fig. 4)k and which covers Vthe frontsurface of the frame 20. The plate 29 is attached to the frame 2l) byscrews 3| (Fig. 1).

In operation, the umbrella end II is placed upon a socket 32 which hasan upper semi-circular shank-supporting surfacer 33 and which is 2 y ydetachably connected to the frame 28 by a screw 34. The bottom of thecup-shaped tip I8 mounted on the umbrella end, rests against a stopplate 35 carrying a rod 36 (Fig. 2) which extends through a wall 31constituting a part of the frame 28. A screw 38 carried by the wall 31engages the rod 36 and thus holds the stop plate 35 in position. Thestop plate 35 may be conveniently shifted upon a supporting surface 39of the frame 28 when the screw 38 is unscrewed, so that the position ofthe stop plate 35 may be conveniently adjusted depending upon the sizeof the umbrella shanks and of the tips I8.

The wire-inserting means are carried by another part of the transversemovable support 22 l and include a tube 48 fitting into a verticalopening 4I of the support 22 and held therein by a bolt 42. The lowertapered end 43 of the tube 48 is situated below the support 22. Apassage 46 formed in the tube 48 contains an elongated inserting memberor driver 44 which projects out of the tube 48 and is used to press wirepieces I'1 against the tips I8 and to drive the pieces I1 through thetips I8 and into the shank ends II. The upper end of the driver 44 isheld in place by a screw 45 which is screwed into the upper threaded endof the passage 46. Due to this arrangement, a damaged driver 44 may beconveniently removed from the tube 48 and replaced by a new one.

A vertical rod 41 has an upper narrower portion I and a lower Widerportion 52. The portion 5I of rod 41 extends with play through a passage48 provided in the movable-support 22. The upper end 53 of the rod 41Visthreaded and carries nuts 49 which may be engaged by the upperhorizontal surface 58 of the support 22 during the upward movement ofthe support.. The lower Wider portion 52 ofv the rod 41 extends througha passage 54 (Fig. 1) provided in the frame 28. An annular surface 55 onthe upper end of the rod portion 52 is adapted to engage thelowerhorizontal surface 56 of the support 22.

The. lower end of the rod 41 carries a wire feeder 51 which is movablealong with the rod ina chamber 58 provided in the frame 28. The feeder'51,* shown in detail in Figures 6 and` '7, includes a hollow casing 59having inner diverging walls 68 and 6I, a top ledge 6Ia and a bottom `62provided with an opening 63 for the passage of the wireV I6. Theinteriorof the casing 59 is closed by a leaf spring 64 carried bythecasing 59 and having a passage 65 for the wire I6. Two rollers 66 and 61are situated Within the casing 59 on opposite sides of the wire I6. Dueto this arrangement, the feeder 51 may move downwardly in relation tothe wire I6, but during the relative upward movement of the feeder Vtherollers 66 and 61 will be clamped between the walls 68 and 6| and willclamp the wire I 6, so that the latter will move upwardly along with thefeeder. Thus a vertical reciprocatory movement of the feeder 51 willcause an upward step-wise feed movement of the wire I6.

The wire I6 is supplied to the feeder 51 from a source which is notshown in the drawings. The wire passes through a straightening device 68(Figs. 1 and 2) comprising a bracket 69 which is attached to theunderside of the press base I3 by a bolt 18. The bracket 69 carriesrollers 1I and 12 situated on one side of the Wire I6, and

rollers 13, 14 and 15 situated on the other side of' the wire I6, sothat the wire I6 is straightened as it passes between the rollers.

The straightened wire I6 Vextends through a passage 16 provided in thepress base I3 and through an alined passage 11 formed in the plate I8.The wire I6 passes through the chamber 58 and the feeder 51, extendingthrough the passages 63 and 65 of the feeder and between the feederrollers 66 and 61 (Fig. '1.) 'I'he wire I6 also extends through avertical passage 18 provided in the frame and into a wire cutting andfeeding device 19 (Fig. 4)

The device 19 includes an elongated carrier 88 mounted for horizontalreciprocatory movement in a recess of the frame 28 and partly covered bythe plate 29 which is attached to the frame 28. The member 88 carries aroller 8I which is engaged by the end 21, or the surface 28 or the nearside surface of the slider 26 and which is free to move within the innerspace of the plate 29. The member 88 also carries an insert 82 which issituated in a recess 83 provided in the member 88 on opposite sides of avertical passage 84 which may receive the upper end'of the wire I6, asshown in Figure 1, and/or the lower end of the. driver 44, as shown inFigure 3. The position of the insert 82 may be conveniently adjusted bya screw 85 carriedV by the member 80.

The insert 82 co-operates with a shearing member 86 during a movement ofthe carrier 88 in the direction of the arrow 81 shown in Figure 1, toshear off or cut off a piece I1 from the wire I6, the wire piece I1being moved under the driver 44 by the carrier 88. Thus the insert 82and the member 86 constitute a shearing device or a cutter. The shearingmember 86 has the form of a block which is mounted in a recess of theframe 20 and is maintained in place by a plate 88 attached to the frame28 by a bolt 89. Due to the provision of the plate 88 and the bolt 89,the shearing block 86 may be conveniently replaced by a new one,whenever necessary.

The member 88 carries upon its inner surface a stop or pin 98 (Fig.A4:), and a chamber 9| is l provided within the frameY 28 to enable thepin 98 to move along with the carrier 88. Theengagement of the pin 98with a, stop screw 92 limits the extent of Vmovement of the carrier 88in the direction opposite to that of the arrow 81. The screw 92iscarried by a bracket 93 which is irmly attached to the frame 28.

The carrier 88 is returned to its inoperative position shown in Figure 1by a coiled expansion spring 91 one end of which isattached to a head 98carried by the member 88. The opposite end of the spring 91 is attachedto the end 99 of an angular bracket |88 which is attached to the frame28 by screws I8I (Fig. 4).

The machine operates in the following manner: When the slider 26 is inthe .raised position shown in Figure 1, the spring 91 maintains thecarrier in a position in which the roller 8I is in engagement with thenarrow end 21 of the slider and the passage 84 is situated directlyabove the passage 18 provided in the frame 28. The wire I6 passes fromits source (not shown) between the rollers 1I and 12 on the one hand andthe rollers 13, 14, and 15 on the other hand, of the straighteningdevice 68. The wire I6 extends through the passage 16 of the base I3,the passage 11 of the plate I8 and the chamber 58 of Vthe frame 28. Asalready stated, the wire I6 can move conveniently through the passages63 and and between the rollers 66 and 61 of the wire feeder 51 (Fig.'1), since the rollers 66 and 61 will not clamp the wire during itsupward movement relatively-to the rollers.

The wire I6 passes through the passage 18 of the frame V20 (Fig. 1) andinto the passage 84 provided in the carrier .60 and the insert 82. Thewire I6 fits fairly snugly in the passage 84.

A tip I is placed by hand over the shank end II of an umbrella I2 andthe shank end II carrying the tip I0 is placed upon the semi-circularVsurface 33 of the socket 32, the bottom of the tip I0 being pressedagainst the stop plate 35. This is illustrated in Figure 5 of thedrawings.

Then the machine-actuating press is operated so that its head I5 beginsto move downwardly. As already stated, the head I5 is connected withthe'support 22 of the machine by the screw 24 and the member 23, whilethe support 22 `carries the slider 26 and the driver-containing tube'40. Thus the slider 26 and the driver 44 move downwardly along with thesupport 22, this being the operative stroke 0r the forward movement ofthe driver 44.

During the downward movement of the lower end of the slider 26 withinthe space 30 o f the plate 29 (Fig. 4), the inclined surface 28 of theslider 26 will engage the roller 8l of the carrier 36 and will shift thecarrier 80 in the direction of the arrow 81 (Fig. 1), thereby expandingthe spring 91. That end of the wire I6 which is situated in the passage84, will be subjected to the shearing action of the adjacent edges ofthe 'insert 82 and the stationary member 86 and will be sheared oif orcut off. The carrier 80 will continue to move in the direction of thearrow 81 until the surface 28 of the slider 26 has moved below theroller 8| and the carrier 80 has reached a position in which the shearedoff wire piece I1 in the passage 84 is situated above the tip IU anddirectly below the drive 44.

The vertical rod 41 does not participate in the downward movements ofthe members 22, 26 and 44 until the lower surface 56 of the support 22strikes the annular surface 55 of the rod 41 due to frictionalengagement of the rod portion 52 with the passage 54. During the balanceof the downward movement of the support 22, the rod 41 moves downwardlyalong with the support. Since the feeder 51 is carried by the rod 41,the feeder 51 will move downwardly along with the rod. However, due tothe form of the walls 60 and 6I of the feeder, it will move downwardlyaround the wire I6 extending through the feeder, without clamping thewire or causing it to participatefin this downward movement.

The driver 44 which moves along with the support 22 will enter thepassage 84 and engage the upper end of the cut-01T wire piece I1. Duringthe subsequent downward movement of the driver 44, it will press ordrive the wire piece I1 through a wall of the tip I0 and into the shankend II, thereby firmly connecting the tip with the shank. This isillustrated in Figure 3 of the drawings.

The return movement or stroke from the position shown in Figure 3 to theposition shown in Figure 1 is caused by the upward movement of the presshead I5. The support 22 moves upwardly along with the head I5. Thedriver 44 is withdrawn from the passage 84 of the carrier 8D. During theupward movement of the slider 26, the expanded spring 91 will maintainthe-roller 8| in contact with the inclined surface 28 of the slider 26,thereby gradually moving the carrier 8l! back to the position shown inFigure 1.

The rod 41 will not participate in the upward movement of the support 22'until the nutl 49 strikesthe upper surface 50 of the support. At

that time, the horizontal return movement of the carrier 86 issubstantially completed. vDuring the rest of 'the upward movement of thesupport 22, the rod 41 andthe feeder 51 carried thereby will moveupwardly. As soon as the upward movement of the feeder 51 is started,the rollers 66 and 61 will clamp theV wire I6 and will pull the wire I6along with them in the course of their upward movement. At thetermination of the upward movement, the upper end of the wire I6 will beinserted into the passage 84 of the carrier 80 (Fig. 1).

The machine is then ready for the next operation.

Various parts of the machine may be conveniently replaced by new oneswhenever they are wornout or vdamaged and the extent of movement of thedifferent parts may be adjusted by the described stop screws and nuts.The described machine is particularly suitable for mass production,since it has few parts, is easy to operate and does not require anyparticular attention and care.

It is apparent that the vspecicrillustration shown above has been givenby way of illustration and not by way of limitation and that thestructures above described are subject to wide variation and`modification without departing from the scope or intent oftheinvention. All

of such andother variations and modifications are to be included Withinthe scope of the present invention.

a slider attached to said support and movable therewith and having a camsurface engaging said shearing and feeding device and actuating the sameto shear off a piece of said securing means and to supply the sheared01T piece into the path of said driver during said operative movement,whereby said driver inserts said sheared off piece into a work pieceduring said Yoperative movement.

2. A tip-afiixing machine, comprising a reciprocable support carryingout an operative movement and a return movement, a driver, meansdetachably supporting said driver upon one part of said support, ashearing and feeding device reciprocable transversely to the directionsof movement of said support, means actuated by said support to supplyelongated securing means to said shearing and feeding device during saidreturn movement, a slider attached to another part of said support andmovable-therewith and having a narrow end portion, a wider portion and aslanting cam surface situated between said portions, and meansconstituting a guide for said slider and a separate guide for saidshearing and feeding device, said cam surface engaging said shearing andfeeding device and actuating the same to shear off a piece of saidsecuring means by pressing the securing means movable along with saidshearing and feeding device against a part of said guide means, said camsurface further moving said shearing and feeding device to supply thesheared off piece into the path of said driver during said operativemovement, whereby said driver inserts said sheared off piece into a Workpiece during said operative movement.

3. A tip-aflixing machine, comprising a reciprocable driver carrying outan operative movement and a return movement, an elongatedcarrier-reciprocable transversely to said driver, an insert mounted insaid carrier, an opening being formed in said insert, means connectedwith said driver to insert elongated securing means into said opening, aroller carried by said carrier, means movable along with said driver andhaving -a cam surface. for engaging said roller to' move said carrier,an immovable shearing member co-operative with said insert during thismovement of the carrier to shear oi the piece of said securing meanswhich is situated in said opening, said cam surface further moving saidcarrier to supply the sheared off piece into the path of said driverduring the operative movement thereof, whereby said driver is insertedinto said opening and drives said sheared off piece into a work pieceduring said operative movement, and a frame carrying said shearingmember and constituting a guide for said carrier.

4. A tip-aixing machine, comprising a transverse reciprocable supportcarrying out an operative movement and a return movement, a

driver, 'means supporting said driver upon said support, said driverbeing movable along with said support, a shearing and feeding devicereciprocable transversely to the directions of movement of said support,a frame constituting a guide for said shearing and feeding device andhaving formed therein an elongated opening and a chamber communicatingwith said opening, said support having an opening formed therein whichis narrower than and in alinement with the opening formed in said frame,a rod having a wider portion extending with play through the openingformed in said frame, said wider portion having an end surface situatedoutside of said frame and engaged by said support during the operativemovement thereof, whereby said rod moves along with said support duringa part of said operative movement, said rod further having a narrowerportion extending with; play through the opening formed in said support,

and projecting therethrough, a stop member carried by thev projectingportion of said'rod and engaged by said support during its returnmovement, whereby said rod moves along with said support during a partof'said return movement, a feeder carried by said rod and reciprocabletherewith in said chamber, said feeder supplying elongated securingmeans to said shearing and feeding device while said rod moves alongwith said support during said return movement, and means carried by saidsupport and movable therewith and having a cam surface engaging saidshearing and feeding device and actuating the same to shear off a pieceof said securing means and to' supply the sheared off piece into thepath of said driver during said operative movement, whereby said driverinserts said sheared off piece into a work piece during said operativemovement.

5. A tip-afxing machine, comprising a reciprocable driver carrying outan operative movement and a return movement, a reciprocable shearing andfeeding device, having a wirecarrying opening formed therein, meansconstituting a guide for said shearing and feeding device and Vhaving apassage formed in said means, said passage communicating with saidopening in an inoperative position of said shearing and feeding device,a wire straightener carried by said means adjacent another end of saidpassage, means connected with said driver to supply a wire through saidwire straightener and said passage and into said opening during saidreturn movement, a shearing member carried by the first-mentioned meansand having an edge situated in the path of said wire during a forwardmovement of said shearing and feedin-g device, and means movable alongwith said driver and having a cam surface engaging said shearing andfeeding device and causing said forward movement thereof to shear off apiece of wire and bring the sheared off piece situated l in 'saidopening into the path of said driver during the operative movementthereof, whereby saiddriver is inserted into said opening and drivessaid sheared oif wire piece into a work piece during said operativemovement.

FRANK DE BELLA. THOMAS F. DE BELLA,

